Facts About Captivity

Facts About Captivity Dolphins Performing

Dolphins Belong In the Wild, Not a Tank

A pod of wild dolphins can travel up to 100 kilometers a day in the open ocean. Family members teach each other skills to survive in the wild and frequently remain together for life. Dolphins are known to have signature whistles much like how humans have names, and social communication and interaction among the pod is a key component of their daily lives. These mammals have perfected evolved to thrive in the ocean, where they deserve to live freely. Captivity simply cannot provide an adequate environment for these wild species.

A Delphinus dolphin at the Xel-Ha eco-park has injuries on it's rostrum and body. Credit: Empty the Tanks/Dolphin Project

Life In Captivity

Dolphins living in captive conditions face circumstances vastly different than those of the ocean. The surroundings are bare and sterile, with little mental stimulation or diversion. Many captive dolphins are regularly treated with ulcer medication or antidepressant medication to alleviate the frustration of captivity.

Limited Space

Space is limited, which sparks aggression and frustration. When faced with an aggressor, dolphins in the wild can easily swim away to avoid an interaction. Instead captive dolphins often bear scars or rake marks, evidence of a clash with a tank mate.

Self-Destructive Behavior

Prolonged confinement in such small quarters can lead to depression and self-harming behaviors. Numerous documented examples of such behavior have been observed in both dolphins and orcas, such as repeated smashing of heads against tank walls or gnawing on walls and gates. You can read more about Hugo and Morgan’s documented behaviors in captivity.

Unfamiliar Groupings

Dolphins living in captive conditions are often placed in unnatural groupings with dolphins that have come from different families and species, making communication between them difficult or impossible.

Physical Detriments of Captivity

Because tanks lack the depth or size of the open ocean, captive dolphins experience a range conditions not commonly seen in their wild counterparts.

Sun Exposure

Because tanks and pens at captive facilities have limited depth, dolphins in captivity frequently experience overexposure to the sun, which can result in sunburn and blistering. Often zinc oxide must be applied to their backs to prevent damage. The reflection of sunlight on the water’s surface can also lead to vision problems. Additionally, tanks are often heavily chlorinated, which leads to burning the eyes and causing permanent damage to eyesight.

Labeled as “positive reinforcement” or “operant conditioning”, dolphins are kept hungry enough so that they will comply with instructions from trainers, whether to learn new behaviors or to execute them during a performance or swim-with-dolphin encounter.

Water Quality

In some facilities, the water is improperly treated and maintained, with litter from park customers thrown into tanks, or bacterial growths which lead to lesions and open sores. Other dolphin facilities in sea lagoons near cruise ports collect fuel runoff from ship motors and other marine waste.

Image of a dolphin sea pen in Mexico, taken July 2020.

Skin Wounds

Dolphins who participate in swim with interactions are regularly observed with persistent wounds and abrasions from being handled by customers, their beaks raw from pushing guests through the water or being grasped for kisses and photo ops. Other wounds are observed as the result of aggressive outbursts from tank companions, as bullying has been regularly documented. Dolphin and whales in captivity are often documented with compromised teeth, often the result of frustrated chewing on their tank walls.

Fin Flop

For captive orcas, confinement in small tanks leads to the well-documented “fin flop” in male orcas, a condition noted in 100% of captive male orcas and less than 1% in wild male orcas.

This dolphin was seen at the Dolphinaris inside the Grand Bahia Principe Resort with a wound on his or her back. Credit: Empty the Tanks/Dolphin Project

A Lifetime of Training

Wild-captured dolphins must endure significant training to adapt to captivity. They must learn to accept a new diet of dead fish, as well as to undergo a variety of invasive operations, such as tube-feeding and medical examinations.

Even captive-born dolphins must become accustomed to the human interactions required of them. This is accomplished, without exception, through food deprivation training. Labeled as “positive reinforcement” or “operant conditioning”, dolphins are kept hungry enough so that they will comply with instructions from trainers, whether to learn new behaviors or to execute them during a performance or tourist encounter.

HOW YOU CAN HELP PROTECT DOLPHINS

Understanding the intelligence and complexity of these species, as well as how they behave in the wild helps us understand that their natural ranges in the open ocean are where they thrive. It is vital that we continue to spread awareness about dolphins to help end exploitation in captivity, and to help wild dolphin populations stay healthy!

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Ric O'Barry's Dolphin Project is registered as a 501(c)(3) non-profit organization, and all donations are tax-deductible as authorized by law.

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